scholarly journals Prevalence and comorbidity of attention deficit hyperactivity disorder in Spain: study protocol for extending a systematic review with updated meta-analysis of observational studies

2019 ◽  
Vol 8 (1) ◽  
Author(s):  
Ferrán Catalá-López ◽  
Manuel Ridao ◽  
Amparo Núñez-Beltrán ◽  
Ricard Gènova-Maleras ◽  
Adolfo Alonso-Arroyo ◽  
...  
BMJ Open ◽  
2014 ◽  
Vol 4 (3) ◽  
pp. e004541 ◽  
Author(s):  
Samuele Cortese ◽  
Carlos Renato Moreira Maia ◽  
Luis Augusto Rohde ◽  
Carmen Morcillo-Peñalver ◽  
Stephen V Faraone

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